Linear Function What Is the Y Value

Name the parent function. 

• constant

• quadratic

• linear

• exponential

Check the correct answers: In order to be a linear function:

• It's graph must have a straight line

• It must pass a polygraph test

• Each x-value has only one y-value

• A parabola is a Linear Function

Which of these functions are linear?

Select two answers.

• 
• 

Find the rate of change

• 1

• 2

• 11

• Not a constant slope/Non-Linear

A taxi company charges a flat fee of $3 plus $2 per mile driven. Write the function that represents the total cost (C) as a function of the number of miles driven (m). Then, interpret the rate of change and the initial value.

• C(m) = 2m + 3

• C(m) = 3m + 2

• C(m) = 4m + 1

• C(m) = 5m + 2

Is the function Linear or Nonlinear?

• Linear

• Nonlinear

Which function is linear?

• y = 2x + 4

• y = 2x² + 4

• y = 2x(4 − 3x)

• xy = 15

Which statements below determine when a function is linear? Select two answers

• The function can be represented by an equation of the form y = mx + b.

• The rate of change is always constant.

• The initial value must be at 0

• The graph of the function could be a vertical line.

• The graph can contain curves.

Sonia has $40 in her lunch account and pays $2 each day to eat lunch.

• Linear

• Non-linear

Slope is another word for:

• Initial Value

• Rate of Change

• Change in Y's

• Y-intercept